CN110460141A - It is a kind of to support solar powered wireless device - Google Patents
It is a kind of to support solar powered wireless device Download PDFInfo
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- CN110460141A CN110460141A CN201910698879.4A CN201910698879A CN110460141A CN 110460141 A CN110460141 A CN 110460141A CN 201910698879 A CN201910698879 A CN 201910698879A CN 110460141 A CN110460141 A CN 110460141A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Abstract
Solar powered wireless device, including supply port, motherboard circuit, the first power conversion module and solar energy antenna are supported the invention discloses a kind of；Motherboard circuit includes wireless module, power management module and second source conversion module；Solar energy antenna includes the antenna of solar battery and setting on the solar cell；Supply port is for connecting cable power；Solar battery is for converting light energy into electric energy；First power conversion module is for converting electrical energy into stable sun-generated electric power；Power management module is for selecting cable power or sun-generated electric power as the power supply of wireless device；The priority of sun-generated electric power is higher than cable power；Second source conversion module is used to carry out power supply voltage conversion to think that wireless module is powered.The present invention can be powered using solar energy to wireless device, and the loss in power supply line is reduced, energy saving, improve photoelectric conversion efficiency.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of support solar powered wireless device.
Background technique
With the development of wireless network, such as wireless aps wireless device using more and more extensive, for installing outdoors
Wireless aps for, for convenience power, usually using support Power over Ethernet (Power Over Ethernet, POE) technology
Wireless aps as outdoor wireless AP.
For current outdoor wireless AP structure as shown in Figure 1, it is mainly made of motherboard circuit and antenna two parts, PoE is electric
The effect on road is to obtain power supply from supply port by power supply line, obtains network signal from network interface by cable, and will obtain
The power supply and network signal taken is by network cable transmission to motherboard circuit, and cable had both realized the transmission of network signal at this time,
The transmission of power supply is realized again, wherein the network signal on cable enters the wireless module in motherboard circuit, by wireless
The processing of module generates corresponding radiofrequency signal and is sent to antenna, and antenna goes out the emission of radio frequency signals, and similarly, antenna connects
The radiofrequency signal received passes through the processing of wireless module, and transfers back to network interface by cable, to realize the biography of network signal
It is defeated；Power supply on cable enters the power module in motherboard circuit, single by what is received by the processing of power module
Voltage is converted into various voltages required for motherboard circuit, to power to motherboard circuit.
But outdoor wireless AP is typically mounted at outdoor spaciousness, and PoE circuit is typically mounted at interior, between them
It needs to be attached by a long cable, since cable is longer, the resistance of cable is larger, production when electric current flows through cable
Raw thermal losses is larger, and therefore, the loss in power supply line is larger.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that provide it is a kind of support solar powered wireless device,
It can be powered using solar energy to wireless device, reduce the loss in power supply line, it is energy saving, and improve photoelectric conversion effect
Rate.
In order to solve the above-mentioned technical problem, solar powered wireless device is supported the embodiment of the invention provides a kind of,
Including supply port, motherboard circuit, the first power conversion module and solar energy antenna；The motherboard circuit include wireless module,
Power management module and second source conversion module；The solar energy antenna includes solar battery and is arranged in the solar energy
Antenna on battery；Wherein,
The supply port is for connecting cable power；
The wireless module and the antenna are used for transmission network signal；
The solar battery is used to the luminous energy received being converted to electric energy；
The electric energy for being converted to stable sun-generated electric power by first power conversion module；
The power management module is for selecting the cable power or the sun-generated electric power as the wireless device
Power supply, to control the power supply mode of the wireless device；Wherein, the priority of the sun-generated electric power has higher than described
Line power supply；
The second source conversion module is used to carry out the power supply voltage conversion to think that the wireless module supplies
Electricity.
Further, the wireless device further includes battery；The battery is used to store when there is illumination by luminous energy
The electric energy of conversion；The battery is also used to provide battery feed to the wireless device when there is no light；
Then, the power management module is for selecting the cable power, the sun-generated electric power or battery electricity
Power supply of the source as the wireless device, to control the power supply mode of the wireless device；Wherein, the sun-generated electric power
Priority be higher than the battery feed, the priority of the battery feed is higher than the cable power.
Further, the supply port is Ethernet interface；
Then, the Ethernet interface is used to connect PSE power supply unit by cable to obtain power over ethernet；Wherein, described
Power over ethernet is the cable power.
Further, the solar battery is monocrystaline silicon solar cell；The monocrystaline silicon solar cell is integrated in
On the reflecting surface of the wireless device.
Further, the solar energy antenna successively by substrate electrod, P-type layer, PN junction layer, N-type layer, comb electrode, thoroughly
Bright dielectric layer, antenna-reflected layer and lens jacket superposition are constituted.
Further, the solar battery is monocrystaline silicon solar cell；The solar energy antenna is successively by substrate electricity
Pole, P-type layer, PN junction layer, N-type layer, comb electrode, transparent insulating layer, transparent dielectric layer, antenna-reflected layer and lens jacket are superimposed structure
At.
Further, the solar energy antenna is successively by the first lens jacket, first antenna reflecting layer, the first transparent medium
Layer, the first comb electrode, the first N-type layer, the first PN junction layer, the first P-type layer, substrate electrod, the second P-type layer, the second PN junction layer,
Second N-type layer, the second comb electrode, the second transparent dielectric layer, the second antenna-reflected layer and the superposition of the second lens jacket are constituted.
Further, the solar energy antenna is successively by the first lens jacket, first antenna reflecting layer, the first transparent medium
Layer, the first comb electrode, the first N-type layer, the first PN junction layer, P-type layer, the second PN junction layer, the second N-type layer, the second comb electrode,
Second transparent dielectric layer, the second antenna-reflected layer and the superposition of the second lens jacket are constituted.
Further, the solar energy antenna is successively by the first lens jacket, the first comb electrode, the first N-type layer, the first PN
Tie layer, P-type layer, the second PN junction layer, the second N-type layer, the second comb electrode, transparent dielectric layer, antenna-reflected layer and the second lens
Layer superposition is constituted.
Further, the solar battery is monocrystaline silicon solar cell；The monocrystaline silicon solar cell is integrated in
In the parasitic element of the wireless device.
Further, the parasitic element is frequency-selective surfaces；The solar energy antenna is successively by dielectric layer, the first comb
Shape electrode, P-type layer, PN junction layer, N-type layer, the second comb electrode, transparent dielectric layer, frequency-selective surfaces and lens jacket are superimposed structure
At.
Further, the phase-adjustable of the solar energy antenna.
Compared with prior art, solar powered wireless device is supported the embodiment of the invention provides a kind of, by too
The luminous energy received is converted to electric energy by positive energy battery, and stable solar energy is converted electrical energy by the first power conversion module
Power supply preferentially selects sun-generated electric power as the power supply of wireless device, and passes through second source by power management module
Conversion module is used to carry out power supply voltage conversion to think that wireless module is powered, so as to wirelessly be set using solar energy
Available electricity reduces the loss in power supply line, energy saving, and improves photoelectric conversion efficiency.
Detailed description of the invention
Fig. 1 is a kind of knot of a preferred embodiment of outdoor wireless equipment for supporting POE technology that the prior art provides
Structure schematic diagram；
Fig. 2 is that a kind of structure of a preferred embodiment for supporting solar powered wireless device provided by the invention is shown
It is intended to；
Fig. 3 is a kind of structure of another preferred embodiment for supporting solar powered wireless device provided by the invention
Schematic diagram；
Fig. 4 is a kind of structural profile signal of a preferred embodiment of monocrystaline silicon solar cell that the prior art provides
Figure；
Fig. 5 A to Fig. 5 B is a kind of structural schematic diagram of a preferred embodiment of solar energy antenna provided by the invention；
Fig. 6 is that a kind of structure of a preferred embodiment of solar energy antenna in discrete state provided by the invention is cutd open
Face schematic diagram；
Fig. 7 is a kind of structural profile illustration of another preferred embodiment of solar energy antenna provided by the invention；
Fig. 8 is a kind of structural profile illustration of another preferred embodiment of solar energy antenna provided by the invention；
Fig. 9 is a kind of structural profile illustration of another preferred embodiment of solar energy antenna provided by the invention；
Figure 10 is a kind of structural profile illustration of another preferred embodiment of solar energy antenna provided by the invention；
Figure 11 A to Figure 11 B is that a kind of one for supporting solar powered wireless device provided by the invention is preferably implemented
The structural schematic diagram of example.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all without creative efforts
Other embodiments shall fall within the protection scope of the present invention.
Solar powered wireless device is supported the embodiment of the invention provides a kind of, it is shown in Figure 2, it is that the present invention mentions
A kind of structural schematic diagram of the preferred embodiment for supporting solar powered wireless device supplied, the wireless device include
Supply port 100, motherboard circuit 300, the first power conversion module 300 and solar energy antenna 400；The motherboard circuit 200 wraps
Include wireless module 201, power management module 202 and second source conversion module 203；The solar energy antenna 400 includes the sun
Energy battery 402 and the antenna 401 being arranged on the solar battery 402；Wherein,
The supply port 100 is for connecting cable power；
The wireless module 201 and the antenna 401 are used for transmission network signal；
The solar battery 402 is used to the luminous energy received being converted to electric energy；
The electric energy for being converted to stable sun-generated electric power by first power conversion module 300；
The power management module 202 is for selecting the cable power or the sun-generated electric power wirelessly to set as described
Standby power supply, to control the power supply mode of the wireless device；Wherein, the priority of the sun-generated electric power is higher than described
Cable power；
The second source conversion module 203 is used to carry out the power supply voltage conversion to think the wireless module
201 power supplies.
Specifically, supply port 100 is connect by power management module 202 with second source conversion module 203, power supply pipe
Reason module 202 is connect by second source conversion module 203 with wireless module 201, and solar battery 402 is turned by the first power supply
Mold changing block 300 is connect with power management module 202.
In practical work process, supply port 100 can be by way of wired (such as power supply line) and power supply unit
Cable power to obtain cable power from power supply unit, and is transmitted to power management module 202 and carried out at next step by connection
Reason.
Since the wireless device is typically mounted at outdoor, solar battery 402 is provided on antenna 401, when there is sunlight
When being irradiated on solar battery 402, the luminous energy received is converted to electric energy, the first power supply modulus of conversion by solar battery 402
Electric energy after conversion is adjusted to the sun-generated electric power of voltage stabilization by block 300, and the sun-generated electric power of voltage stabilization is transmitted to
Power management module 202 is further processed.
The effect of power management module 202 is to control the power supply mode of wireless device, coordinates cable power and solar-electricity
Whom both sources powered to wireless device, i.e., power management module 202 selects one of cable power or sun-generated electric power electricity
Power supply of the source as wireless device, and the priority of sun-generated electric power is higher than cable power, in the situation of illumination abundance
Under, power management module 202 selects sun-generated electric power to provide electric energy for wireless device, illumination it is inadequate (such as night or
Cloudy day etc.) in the case where, power management module 202 selects cable power to provide electric energy for wireless device, no matter power management mould
Block 202 selects any power supply as the power supply of wireless device, and second source conversion module 203 all can be to selected confession
Power supply carries out voltage conversion, and the voltage of power supply is converted to wireless module 201 and is worked required voltage, to be nothing
Wire module 201 is powered.
Similarly, same to be converted by second source for other circuit parts that may need to power in wireless device
The processing of module 203, various voltages needed for the voltage of single power supply is converted into circuit work, the embodiment of the present invention
It is only illustrated, and does not constitute a limitation of the invention by taking the power supply of wireless module 201 as an example.
In addition, wireless module 201 can generate corresponding radiofrequency signal according to network signal, and radiofrequency signal is sent to
Antenna 401, emission of radio frequency signals to be gone out by antenna 401, alternatively, antenna 401 can receive the letter of the radio frequency in environment
Number when, and radiofrequency signal is sent to wireless module 201, to generate corresponding net according to radiofrequency signal by wireless module 201
Network signal, to realize the transmission of network signal.
It should be noted that the confession since solar battery 402 is set up directly on antenna 401, with offer cable power
Electric equipment is compared, therefore being closer for the motherboard circuit 200 of solar battery 402 and wireless device, works as solar battery
When the electric energy abundance of 402 generations, sun-generated electric power power supply is only used, is powered without using cable power, it is wired so as to avoid
Problem is lost using high power supply line brought by fourdrinier wire in power supply power supply, reduces the loss in power supply line, and solar energy
It is more environmentally protective, can be energy saving, electric cost is reduced, meanwhile, antenna 401 is set up directly on solar battery 402
On, solar energy antenna 400 can be optimized, to improve photoelectric conversion efficiency.
It is a kind of provided by the embodiment of the present invention to support solar powered wireless device, it will be received by solar battery
To luminous energy be converted to electric energy, stable sun-generated electric power is converted electrical energy by the first power conversion module, passes through power supply
Management module preferentially selects sun-generated electric power as the power supply of wireless device, and by second source conversion module for pair
Power supply carries out voltage conversion and thinks that wireless module is powered, and so as to be powered using solar energy to wireless device, reduces and supplies
Loss in electric line, it is energy saving, and solar energy antenna is optimized, so as to improve photoelectric conversion efficiency.
It is shown in Figure 3, it is a kind of another preferred reality for supporting solar powered wireless device provided by the invention
The structural schematic diagram of example is applied, as an improvement of the above scheme, the wireless device further includes battery 500；The battery 500
For storing the electric energy converted by luminous energy when there is illumination；The battery 500 is also used to wirelessly set to described when there is no light
It is standby that battery feed is provided；
Then, the power management module 202 is for selecting the cable power, the sun-generated electric power or the battery
Power supply of the power supply as the wireless device, to control the power supply mode of the wireless device；Wherein, the solar-electricity
The priority in source is higher than the battery feed, and the priority of the battery feed is higher than the cable power.
Specifically, solar battery 402 passes through the first power conversion module 300 and battery 500 in conjunction with above-described embodiment
Connection；When illumination abundance, the luminous energy received is converted to electric energy by solar battery 402, and the first power conversion module 300 will
Electric energy after conversion is adjusted to the sun-generated electric power of voltage stabilization, and the sun-generated electric power of voltage stabilization is transmitted to power management
Module 202, meanwhile, the sun-generated electric power of voltage stabilization is also transmitted to battery 500, to charge to battery 500, when unglazed
According to when, battery 500 after charging can provide battery feed to wireless device；In this case, wireless device has
Line power supply power supply, sun-generated electric power power supply and battery feed three kinds of optional power supply modes of power supply, power management module 202 select
Power supply of one of cable power, the sun-generated electric power or battery feed power supply as wireless device, and solar energy
The priority of power supply is higher than battery feed, and the priority of battery feed is higher than cable power, in the case where illumination abundance,
Power management module 202 selects sun-generated electric power to provide electric energy for wireless device, at illumination inadequate (such as night or cloudy day
Deng) in the case where, power management module 202 selects the battery feed after charging to provide electric energy for wireless device, is encountering length
In the case where time no light, sun-generated electric power and battery feed all work normally wireless device without enough electric energy,
Power management module 202 selects cable power to provide electric energy for wireless device, and no matter power management module 202 selects any electricity
Power supply of the source as wireless device, second source conversion module 203 all can carry out voltage to selected power supply and turn
It changes, the voltage of power supply is converted into wireless module 201 and is worked required voltage, to power for wireless module 201.
As an improvement of the above scheme, the supply port is Ethernet interface；
Then, the Ethernet interface is used to connect PSE power supply unit by cable to obtain power over ethernet；Wherein, described
Power over ethernet is the cable power.
Specifically, the embodiment of the present invention be suitable for supports PoE power wireless device (such as support PoE power it is wireless
AP), supply port can be Ethernet interface, and Ethernet interface is connect by cable with PSE power supply unit, with from PSE power supply unit
Power over ethernet is obtained, which is equivalent to the cable power in above-described embodiment, meanwhile, Ethernet interface can also be from
PSE power supply unit obtains corresponding network signal, i.e., cable transmission network signal and can transmit power over ethernet, works as net
When transmission network network signal, Ethernet interface receives network signal by cable, and network signal is transmitted to wireless module
201, wireless module 201 handles network signal, to generate corresponding radiofrequency signal according to network signal, and radio frequency is believed
Number it is sent to antenna 401, emission of radio frequency signals is gone out by antenna 401, alternatively, when antenna 401 receives penetrating in environment
When frequency signal, radiofrequency signal is sent to wireless module 201, corresponding net is generated according to radiofrequency signal by wireless module 201
Network signal, and network signal is transmitted to Ethernet interface, network signal is transferred back to corresponding network interface by cable by Ethernet interface,
To realize the transmission of network signal；When network cable transmission power over ethernet, Ethernet interface obtains Ethernet electricity by cable
Source, and power over ethernet is transmitted to power management module 202 and is further processed, specific processing mode and above-mentioned implementation
Example is identical, and which is not described herein again.
In another preferred embodiment, the solar battery is monocrystaline silicon solar cell；The monocrystalline silicon sun
Energy battery is integrated on the reflecting surface of the wireless device.
Specifically, solar energy antenna 400 includes antenna 401 and the sun being arranged on antenna 401 in conjunction with above-described embodiment
Energy battery 402, the solar battery that the embodiment of the present invention uses are monocrystaline silicon solar cell, and the wireless device used is one kind
Antenna in equipment and with a very big metal mirror wireless device, monocrystaline silicon solar cell is directly integrated in
On the reflecting surface of wireless device, that is, constitute solar energy antenna 400.
It should be noted that existing solar battery is many kinds of, the typical knot of common monocrystaline silicon solar cell
Structure the superposition of substrate electrod, P-type layer, PN junction layer, N-type layer and comb electrode as shown in figure 4, be successively made of, usually with p-type Si
(silicon) is substrate, spreads N-type impurity, forms PN junction between P-type layer and N-type layer, when solar irradiation is mapped on PN junction, due to half
The photoelectric effect of conductor generates electronics, thereby realizes the conversion of luminous energy to electric energy, is substrate electrod, In below PN junction
The upper surface of PN junction, using comb electrode, can be gone out electron-transport by the two electrodes to guarantee that sunlight passes through.When
Sunlight enters PN junction area by the gap between comb electrode, and energy is greater than the photon of forbidden bandwidth, by Intrinsic Gettering in PN
The both sides of knot generate electron-hole pair, because the change of majority carrier concentration is smaller, mainly consider minority carrier concentration here
Variation, PN junction barrier region memory moves in built in field, the minority carrier on PN junction both sides, and the electronics of P-type layer passes through
PN junction enters N-type layer, and the hole of N-type layer enters P-type layer, forms photo-induced voltage at PN junction both ends in this way, when PN junction passes through
When comb electrode and substrate electrod and external circuit are connected, it is formed circuit loop, as long as there is sufficient illumination that will have in a steady stream
Continuous electric current flows through circuit loop.
The combination of existing antenna and solar battery only combines the two, not over semiconductor technology,
Directly antenna is integrated into solar battery, therefore is not designed reasonably from deeper level, solar energy is caused
The volume of antenna is larger, and antenna directly overlays on solar battery, and the solar battery at covering is caused not receive
Illumination, influences the photoelectric conversion efficiency of solar battery, a kind of provided by the embodiment of the present invention to support solar powered nothing
Line equipment, by the way that solar battery to be integrated on the reflecting surface of wireless device, from semiconductor level by solar battery and day
Line reflection face integrates, solar energy antenna it is small in size, it is light-weight, and can be improved the photoelectric conversion of solar battery
Efficiency.
It is a kind of structure of a preferred embodiment of solar energy antenna provided by the invention in conjunction with shown in Fig. 5 A to Fig. 5 B
Schematic diagram, as an improvement of the above scheme, the solar energy antenna is successively by substrate electrod, P-type layer, PN junction layer, N-type layer, comb
Shape electrode, transparent dielectric layer, antenna-reflected layer and lens jacket superposition are constituted.
Specifically, in conjunction with above-described embodiment, the specific structure of solar energy antenna are as follows: bottom is substrate electrod, in substrate electricity
It is extremely upper to be superimposed P-type layer, it is PN junction layer in P-type layer, is N-type layer on PN junction layer, comb electrode is superimposed in N-type layer, in pectination electricity
It is extremely upper to be superimposed transparent dielectric layer, it is superimposed antenna-reflected layer on transparent dielectric layer, is superimposed lens jacket on antenna-reflected layer.
In terms of sectional view (Fig. 5 A), layer of transparent dielectric is further added by monocrystaline silicon solar cell, then saturating
One layer of antenna-reflected layer is further added by bright dielectric, antenna-reflected layer is in the surface of comb electrode, due to antenna-reflected
Layer and comb electrode are metals, can block solar irradiation and be mapped to PN junction layer, therefore, increase by one layer of lens jacket, lens in the top
The sunlight being blocked right above antenna-reflected layer can be refracted into PN junction layer by layer, to improve the utilization rate of sunlight.
In terms of top view (Fig. 5 B), the solar energy antenna-reflected plate in the embodiment of the present invention is like latticed square array
It arranges, the utilization rate of sunlight is greatly improved after fit lens layer, and solar energy antenna-reflected plate can be with this single
Square as basic unit, constitute antenna-reflected plate of various shapes, wherein quadrate array is readily modified as other shapes
The quantity of shape, such as rectangle, hexagon etc., the antenna-reflected layer in solar energy antenna can be one layer more than, the embodiment of the present invention
It is not especially limited.
This design scheme can make antenna-reflected plate while using semiconductor technology production solar battery
Enter, then produce the module of various basic configurations, in practical applications, according to the concrete shape of antenna-reflected plate, uses
Various basic module splicings.
In another preferred embodiment, the solar battery is monocrystaline silicon solar cell；The solar energy antenna
Successively by substrate electrod, P-type layer, PN junction layer, N-type layer, comb electrode, transparent insulating layer, transparent dielectric layer, antenna-reflected layer and
Lens jacket superposition is constituted.
It should be noted that solar battery and antenna are directly integrated together using semiconductor technology, in certain journey
It will lead to the limited flexibility of antenna on degree, if to guarantee the flexibility of antenna, solar battery can be directly installed on
On antenna, solar battery and antenna are separation at this time, and it not is an entirety, such as Fig. 6 institute that the two, which is only connected together,
Show, be a kind of solar energy antenna in discrete state, successively by substrate electrod, P-type layer, PN junction layer, N-type layer, comb electrode,
Transparent insulating layer, transparent dielectric layer, antenna-reflected layer and lens jacket superposition are constituted；Wherein, solar battery is by substrate electrod, P
Type layer, PN junction layer, N-type layer, comb electrode and transparent insulating layer are constituted, and antenna is by transparent dielectric layer, antenna-reflected layer and lens
Layer is constituted.
As shown in connection with fig. 7, be a kind of solar energy antenna provided by the invention another preferred embodiment structural profile
Schematic diagram, as an improvement of the above scheme, the solar energy antenna is successively by the first lens jacket, first antenna reflecting layer, first
Transparent dielectric layer, the first comb electrode, the first N-type layer, the first PN junction layer, the first P-type layer, substrate electrod, the second P-type layer,
Two PN junction layers, the second N-type layer, the second comb electrode, the second transparent dielectric layer, the second antenna-reflected layer and the superposition of the second lens jacket
It constitutes.
Since there are contradictions for wireless device lighting angle in actual use and wireless angle, for example, optimal is wireless
Transmission is usually that two wireless device Relative verticals are placed, but the angle of this when of sunlight irradiation and bad, works as the sun
When between two wireless devices, two wireless devices have preferable sun light utilization efficiency, when the sun is respectively at two sides
It waits, only one of which wireless device has preferable sunlight to irradiate, and another wireless device is then the back side against the sun, is led
It causes poor for the utilization rate of sunlight；Optimal solar energy receives lighting angle usually upward, or according to specific location
There is certain inclination angle, but if two wireless devices are arranged so that the laser propagation effect that will lead between them is unsatisfactory.
To solve the above-mentioned problems, the embodiment of the present invention proposes a kind of solar energy aerial stack structure of double-sided illumination,
As shown in fig. 7, solar energy antenna-reflected plate can be fabricated to two-sided, two sides can receive sunlight, so as to utilize
Solar energy is powered to wireless device, is avoided inconsistent between optimal wireless transmission angle and optimal solar illumination angle
The problem of, so that being balanced between the wireless performance of wireless device and sun light utilization efficiency.
As shown in connection with fig. 8, be a kind of solar energy antenna provided by the invention another preferred embodiment structural profile
Schematic diagram, as an improvement of the above scheme, the solar energy antenna is successively by the first lens jacket, first antenna reflecting layer, first
Transparent dielectric layer, the first comb electrode, the first N-type layer, the first PN junction layer, P-type layer, the second PN junction layer, the second N-type layer, second
Comb electrode, the second transparent dielectric layer, the second antenna-reflected layer and the superposition of the second lens jacket are constituted.
Specifically, the embodiment of the present invention equally proposes a kind of solar energy antenna of double-sided illumination in conjunction with above-described embodiment
Laminated construction, as shown in figure 8, solar energy antenna-reflected plate can be fabricated to two-sided, two sides can receive sunlight, thus
Can use solar energy and give wireless device power supply, avoid optimal wireless transmission angle and optimal solar illumination angle it
Between inconsistent problem, it should be noted that the structure of the solar energy antenna in the embodiment of the present invention is than in above-described embodiment
The structure of solar energy antenna is simple, and the number of plies is few, can save cost.
As shown in connection with fig. 9, be a kind of solar energy antenna provided by the invention another preferred embodiment structural profile
Schematic diagram, as an improvement of the above scheme, the solar energy antenna is successively by the first lens jacket, the first comb electrode, the first N-type
Layer, the first PN junction layer, P-type layer, the second PN junction layer, the second N-type layer, the second comb electrode, transparent dielectric layer, antenna-reflected layer and
The superposition of second lens jacket is constituted.
Specifically, the embodiment of the present invention equally proposes a kind of solar energy antenna of double-sided illumination in conjunction with above-described embodiment
Laminated construction, as shown in figure 9, solar energy antenna-reflected plate can be fabricated to two-sided, two sides can receive sunlight, thus
Can use solar energy and give wireless device power supply, avoid optimal wireless transmission angle and optimal solar illumination angle it
Between inconsistent problem, it should be noted that the structure of the solar energy antenna in the embodiment of the present invention is than in above-described embodiment
The structure of solar energy antenna is simpler, and the number of plies is less, can further save cost.
In another preferred embodiment, the solar battery is monocrystaline silicon solar cell；The monocrystalline silicon sun
Energy battery is integrated in the parasitic element of the antenna.
Specifically, solar energy antenna 400 includes antenna 401 and the sun being arranged on antenna 401 in conjunction with above-described embodiment
Energy battery 402, the solar battery that the embodiment of the present invention uses are monocrystaline silicon solar cell, and the wireless device used is in addition to tool
Have except metal mirror, there are also one layer of parasitic elements on antenna and reflecting surface for improving antenna performance, by monocrystalline silicon
Solar battery is directly integrated in the parasitic element of wireless device, that is, constitutes solar energy antenna 400.
It should be noted that wireless device used in the embodiment of the present invention, antenna is mostly micro-strip array antenna, common
Micro-strip array antenna have two layers, it is the lower layer of for reference to ground, pushing up upper one layer is feeding network and radiating element, generally for opening up
Antenna band is opened up, one layer of parasitic element can be added on feeding network and radiating element, parasitic element is mostly rectangle or circle
Patch.
As shown in connection with fig. 10, be a kind of solar energy antenna provided by the invention another preferred embodiment structural profile
Schematic diagram, as an improvement of the above scheme, the parasitic element are frequency-selective surfaces；The solar energy antenna is successively by medium
Layer, the first comb electrode, P-type layer, PN junction layer, N-type layer, the second comb electrode, transparent dielectric layer, frequency-selective surfaces and lens
Layer superposition is constituted.
Specifically, in conjunction with above-described embodiment, the specific structure of solar energy antenna are as follows: bottom is dielectric layer, on dielectric layer
It is superimposed the first comb electrode, P-type layer is superimposed on the first comb electrode, is PN junction layer in P-type layer, is N-type layer, In on PN junction layer
It is superimposed the second comb electrode in N-type layer, is superimposed transparent dielectric layer on the second comb electrode, frequency is superimposed on transparent dielectric layer
Surface is selected, lens jacket is superimposed on frequency-selective surfaces.
In practical application, sunlight enters PN junction layer by lens jacket, frequency-selective surfaces, transparent dielectric layer, occur
Photovoltaic reaction, the electronics then generated are spread out of by comb electrode；The electromagnetic wave that antenna issues passes through dielectric layer, PN junction layer, most
Launched eventually by frequency-selective surfaces.
It should be noted that frequency-selective surfaces can be subdivided into multilayer, frequency of use selects surface FSS (Frequency
Selective Surface) it is used as parasitic element, it is made of the hollow grid of square, its advantage is that bandwidth can be expanded, together
When can to radiation beam carry out shaping, to reduce minor lobe while improving gain；
Preferably, the phase-adjustable of the solar energy antenna.
In conjunction with above-described embodiment, the irradiating angle that will lead to sunlight and bad is put since two wireless devices are opposite,
In order to improve the utilization rate of sunlight, wireless device can be tilted and be put, but the light of wireless device in actual use at this time
There are contradictions for irradiation angle and wireless angle, it is therefore desirable to while guaranteeing that the transmission direction of the wireless signal of wireless device still maintains
Horizontal direction, to solve the above-mentioned problems, the embodiment of the present invention propose a kind of wirelessly setting for the phase-adjustable of solar energy antenna
It is standby, specifically, the antenna feed point of two wireless devices can be placed on to the centre of power splitter, by adjusting the position of antenna feed point
Set, or modification power splitter length so as to adjust two wireless devices phase difference, and then realize wireless signal transmission direction
Adjustment, that is, improve the utilization rate of sunlight, in turn avoid optimal wireless transmission angle and optimal solar illuminating angle
Inconsistent problem between degree, so that being balanced between the wireless performance of wireless device and sun light utilization efficiency.
You need to add is that the embodiment of the present invention is applicable not only to support the wireless device of PoE power supply, and it is suitable for normal
The wireless device for not supporting PoE to power, at the same time it can also be suitable for other wireless devices, such as Camera etc., the present invention
Embodiment is not especially limited.
The wireless device for not supporting PoE to power is typically provided with supply port, and supply port is connect with power supply adaptor, is passed through
Power supply adaptor obtains power supply, and the wireless device includes antenna, is offer of the present invention as shown in Figure 11 A to Figure 11 B
An a kind of preferred embodiment for supporting solar powered wireless device structural schematic diagram, wherein nothing shown in Figure 11 A
Line equipment includes supply port 10, motherboard circuit 20, the first power conversion module 30, solar energy antenna 40, battery 50, due to
The antenna of the wireless device is external antenna part 41, then by the 41 phase knot of antenna part of solar battery 42 and the wireless device
It closes；Wireless device shown in Figure 11 B include supply port 10, motherboard circuit 20, the first power conversion module 30, battery 50,
Outer housing 60 and solar battery 70, since the antenna of the wireless device is built-in antenna module 25, then by solar battery 70
It is combined with the outer housing 60 of the wireless device；At this point, the wireless device has adapter power supply, solar powered and battery to supply
Electric three kinds of optional power supply modes, similarly, power management module 22 selects in adaptor power supplies, sun-generated electric power or battery feed
A kind of power supply of power supply as the wireless device, and the priority of sun-generated electric power is higher than battery feed, electric power storage
The priority of pond power supply is higher than adaptor power supplies, and in the case where illumination abundance, power management module 22 selects sun-generated electric power
Electric energy is provided for the wireless device, in the case where illumination inadequate (such as night or cloudy day etc.), power management module 22
Battery feed after selecting charging provides electric energy for the wireless device, in the case where encountering long-time no light, solar energy
Power supply and battery feed all work normally the wireless device without enough electric energy, and power management module 22 selects adapter
Power supply provides electric energy for the wireless device, and no matter power management module 22 selects any power supply as the power supply of the wireless device
Power supply, second source conversion module 23 all can carry out voltage conversion to selected power supply, by the voltage of power supply
Voltage needed for being converted to the work of the modules such as wireless module 21 and IPC module 24, to be these module for power supply.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (12)
1. a kind of support solar powered wireless device, which is characterized in that including supply port, motherboard circuit, the first power supply
Conversion module and solar energy antenna；The motherboard circuit includes wireless module, power management module and second source conversion module；
The solar energy antenna includes solar battery and the antenna that is arranged on the solar battery；Wherein,
The supply port is for connecting cable power；
The wireless module and the antenna are used for transmission network signal；
The solar battery is used to the luminous energy received being converted to electric energy；
The electric energy for being converted to stable sun-generated electric power by first power conversion module；
The power management module is for selecting the confession of the cable power or the sun-generated electric power as the wireless device
Power supply, to control the power supply mode of the wireless device；Wherein, the priority of the sun-generated electric power is higher than wired electricity
Source；
The second source conversion module is used to carry out the power supply voltage conversion to think that the wireless module is powered.
2. supporting solar powered wireless device as described in claim 1, which is characterized in that the wireless device further includes
Battery；The battery is for storing the electric energy converted by luminous energy when there is illumination；The battery is also used in no light
When to the wireless device provide battery feed；
Then, the power management module is for selecting the cable power, the sun-generated electric power or the battery feed to make
For the power supply of the wireless device, to control the power supply mode of the wireless device；Wherein, the sun-generated electric power is excellent
First grade is higher than the battery feed, and the priority of the battery feed is higher than the cable power.
3. supporting solar powered wireless device as described in claim 1, which is characterized in that the supply port is ether
Network interface；
Then, the Ethernet interface is used to connect PSE power supply unit by cable to obtain power over ethernet；Wherein, the ether
Network source is the cable power.
4. supporting solar powered wireless device as described in claim 1, which is characterized in that the solar battery is single
Crystal silicon solar batteries；The monocrystaline silicon solar cell is integrated on the reflecting surface of the wireless device.
5. supporting solar powered wireless device as claimed in claim 4, which is characterized in that the solar energy antenna is successively
It is made of the superposition of substrate electrod, P-type layer, PN junction layer, N-type layer, comb electrode, transparent dielectric layer, antenna-reflected layer and lens jacket.
6. supporting solar powered wireless device as described in claim 1, which is characterized in that the solar battery is single
Crystal silicon solar batteries；The solar energy antenna is successively by substrate electrod, P-type layer, PN junction layer, N-type layer, comb electrode, transparent
Insulating layer, transparent dielectric layer, antenna-reflected layer and lens jacket superposition are constituted.
7. supporting solar powered wireless device as claimed in claim 4, which is characterized in that the solar energy antenna is successively
By the first lens jacket, first antenna reflecting layer, the first transparent dielectric layer, the first comb electrode, the first N-type layer, the first PN junction layer,
First P-type layer, substrate electrod, the second P-type layer, the second PN junction layer, the second N-type layer, the second comb electrode, the second transparent medium
Layer, the second antenna-reflected layer and the superposition of the second lens jacket are constituted.
8. supporting solar powered wireless device as claimed in claim 4, which is characterized in that the solar energy antenna is successively
By the first lens jacket, first antenna reflecting layer, the first transparent dielectric layer, the first comb electrode, the first N-type layer, the first PN junction layer,
P-type layer, the second PN junction layer, the second N-type layer, the second comb electrode, the second transparent dielectric layer, the second antenna-reflected layer and second are thoroughly
Mirror layer superposition is constituted.
9. supporting solar powered wireless device as claimed in claim 4, which is characterized in that the solar energy antenna is successively
By the first lens jacket, the first comb electrode, the first N-type layer, the first PN junction layer, P-type layer, the second PN junction layer, the second N-type layer,
Two comb electrodes, transparent dielectric layer, antenna-reflected layer and the superposition of the second lens jacket are constituted.
10. supporting solar powered wireless device as described in claim 1, which is characterized in that the solar battery is
Monocrystaline silicon solar cell；The monocrystaline silicon solar cell is integrated in the parasitic element of the wireless device.
11. supporting solar powered wireless device as claimed in claim 10, which is characterized in that the parasitic element is frequency
Rate selects surface；The solar energy antenna is successively by dielectric layer, the first comb electrode, P-type layer, PN junction layer, N-type layer, the second comb
Shape electrode, transparent dielectric layer, frequency-selective surfaces and lens jacket superposition are constituted.
12. as described in claim 10 or 11 support solar powered wireless device, which is characterized in that the solar energy day
The phase-adjustable of line.
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| CN201910698879.4A CN110460141A (en) | 2019-07-29 | 2019-07-29 | It is a kind of to support solar powered wireless device |
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| CN201910698879.4A CN110460141A (en) | 2019-07-29 | 2019-07-29 | It is a kind of to support solar powered wireless device |
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Application publication date: 20191115 |